Yersinia pestis

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Yer·sin·i·a pes·tis

a bacterial species causing plague in humans, rodents, and many other mammalian species and transmitted from rat to rat and from rat to humans by the rat flea, Xenopsylla; it is the type species of the genus Yersinia.

Yer·sin·i·a pes·tis

(yĕr-sin'ē-ă pes'tis)
A bacterial species that causes plague in humans, rodents, cats, and many other mammals; it is transmitted from rat to rat and from rat to human host by as many as 30 species of flea, including the rat flea Xenopsylla; the bacterium can also be transmitted by aerosol droplets dispersed by humans or animals (especially cats) manifesting a pneumonic form of plague, or by deliberate dissemination by means of an aerosol mechanism as a form of bioterrorism; the bacterium is the type species of the genus Yersinia.
Synonym(s): Kitasato bacillus.

Yersin,

Alexandre Émil Jean, Swiss bacteriologist and surgeon, 1863-1943.
Yersinia enterocolitica - a species causing yersiniosis.
Yersinia pestis - a species causing plague. Synonym(s): Kitasato bacillus
Yersinia pseudotuberculosis - a species causing pseudotuberculosis in birds and rodents; rarely in humans Synonym(s): Pasteurella pestis
yersiniosis - infectious disease caused by Yersinia enterocolitica.